Cotter Schools is located in Winona, Minnesota, and is the sole Roman Catholic school in the city.
Educational opportunities begin as early as 6 weeks old and continue through Grade 12. Boarding is available for students in grades 7–12.
Quick Facts (2026)
- Top-Ranked MN School
- School Type: Early Childhood / Day Care
- Grades: Kindergarten
- Enrollment: 69 students
- Yearly Tuition: $35,000
- Average class size: 18 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Cotter Schools-st. Marys Campus ranks among the top 20% of private schools in Minnesota for:
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Kindergarten
Year Founded
1911
Colors
White, Royal blue
School Calendar
Campus Size
45 acres
Student Body
Total Students
69 students
Student Body Type
Co-ed
% Students of Color
3%
State avg.: 23%
Students by Grade
Academics and Faculty
Total Classroom Teachers
5 teachers
Student-Teacher Ratio
14:1
National avg.: 13:1
Average Class Size
18 students
Number of AP/Advanced Courses
11 courses
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$35,000
Application URL
Endowment Size
$50 million
School Notes
- School Motto: Education is a partnership between school, home, and community.
- School Mascot: Rowdy
- Sample of notable school alumni/alumnae:
- Damien Fair, MacArthur genius grant winner, class of '94 -
- Bob Kierlin, founder of a Fortune 500 Company, class of '57 -
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does Cotter Schools-st. Marys Campus cost?
Cotter Schools-st. Marys Campus's tuition is approximately $35,000 for private students.
Who are famous alumni from Cotter Schools-st. Marys Campus?
Cotter Schools-st. Marys Campus famous alumni include: Damien Fair, MacArthur genius grant winner, class of '94 and Bob Kierlin, founder of a Fortune 500 Company, class of '57.
What is Cotter Schools-st. Marys Campus's ranking?
Cotter Schools-st. Marys Campus ranks among the top 20% of private schools in Minnesota for: Oldest founding date and Largest endowments.
When is the application deadline for Cotter Schools-st. Marys Campus?
The application deadline for Cotter Schools-st. Marys Campus is rolling (applications are reviewed as they are received year-round).
Nearby Private Schools
The nearest high school, elementary school and preschool to Cotter Schools-st. Marys Campus is Cotter Schools (0.3 miles away)
Show me:
School
Location
Miles
Quick Facts
Cotter Schools![Cotter Schools Photo]( "Cotter Schools Photo")
(Catholic)
1115 W Broadway Street
Winona, MN 55987
(507) 456-5000
Winona, MN 55987
(507) 456-5000
0.3 miles
Gr: PK-12 | 940 students Avg. class size: 16 students Sports: 20 | Extracurrculars: 26 Tuition & acceptance rate listed
St. Matthews Lutheran School
(Wisconsin Evangelical Lutheran Synod)
756 W Wabasha St
Winona, MN 55987
(507) 454-3083
Winona, MN 55987
(507) 454-3083
0.7 miles
Gr: PK-8 | 100 students Sports: 5
Cotter Junior High School
(Catholic)
101 E Wabasha Street
Winona, MN 55987
(507) 453-5000
Winona, MN 55987
(507) 453-5000
1.8 miles
Gr: 7-8 | 122 students
Hope Lutheran High School
(Lutheran Church Missouri Synod)
312 E Broadway St
Winona, MN 55987
(507) 474-7799
Winona, MN 55987
(507) 474-7799
2.1 miles
Gr: 9-12 | 45 students
St. Martin's Lutheran School
(Lutheran Church Missouri Synod)
253 Liberty St
Winona, MN 55987
(507) 452-6928
Winona, MN 55987
(507) 452-6928
2.1 miles
Gr: K-8 | 105 students
School Reviews
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